Finding the Fourth Proportional to 19,905,570.27, 29,801,077.86 and 17,828,488.89

Step by Step Solution

1. Step 1: Write the proportion equation
   19,905,570.27 : 29,801,077.86 = 17,828,488.89 : x
2. Step 2: Convert to fraction form
   19,905,570.27/29,801,077.86 = 17,828,488.89/x
3. Step 3: Cross multiply
   19,905,570.27x = 29,801,077.86 × 17,828,488.89
4. Step 4: Simplify right side
   19,905,570.27x = 531,308,185,537,035
5. Step 5: Solve for x
   x = 531,308,185,537,035/19,905,570.27
6. Step 6: Final answer
   x = 26,691,432.52